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MAX770 Step-Up DC-DC Controller Datasheet
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Product Details
The MAX770 is a step-up DC-DC switching regulator
with very high efficiency and a fixed output of +5V.
The MAX770 has a high switching frequency of up to 330 kHz allowing for
smaller sized external components. The device uses a
unique current-limited pulse-frequency-modulation system
to provide 90% efficiency over a 10mA to 1A load range.
The operating current for the MAX770 is just 110µA.
Features
- 90% Efficiency for 10mA to 1A Load Currents
- Up to 15W Output Power
- 110µA MAX Shutdown Current
- 2V to 16.5V Input Range
- Preset or Adjustable Output Voltages
- Current-Limited PFM Control Scheme
- 300kHz Switching Frequency
Pin Layout
Pin Description
| Pin Number | Description |
|---|---|
| 1 | EXT - External Drive Gate |
| 2 | V+ - Power Supply Input |
| 3 | FB - Feedback Input |
| 4 | SHDN - Shutdown |
| 5 | REF - Reference Output |
| 6 | AGND - Analog Ground |
| 7 | GND - Ground |
| 8 | CS - Current Sense |
Dimensional Drawing
Technical Data
